Answer sheet Text Box: 1

 

 

 

Measurement

Problem

Answer

1

(5 x 3 x 2), (5 x 6 x 1)

(30 x 1 x 1), (15 x 2 x 1)

(3 x 10 x 1)

2

The 14 inch, $7, or smaller

3

100 m2 or 100 sq. m.

4

10 minutes

5

100 cm2 or 100 sq. cm.

 

Number sense

Problem

Answer

1

6

2

17

3

72

4

-2

5

17

 

Probability and statistics

Problem

Answer

1

Mean: 84.9 Mode: 75

Median: 88

Range: 30, or 70-100

2

1/6 (3 pts for 6/36)

3

2

4

29

5

7/26 (3 pts for 14/52)

 


March 21, 1998

FIRST YEAR MATH OLYMPIAD

 

 

Algebraic sense

Problem

Answer

1

48

2

8

3

35

4

$300

5

8 pounds or 8 lb

 

 

 

 

 

Geometric sense

Problem

Answer

1

9 yd2 or 9 sq. yd.

2

6 p ft. or any number between 18.84 ft and 18.8496 ft inclusive

3

8 in2 or 8 sq. in.

4

56

5

100 degrees

2

 

Answer sheet Text Box: 2

 

 

 

Measurement

Problem

Answer

1

105 cm3 or 105 cu. cm.

2

60 ft2 or 60 sq. ft.

3

440

4

110 degrees

5

100 cm2 or 100 sq. cm.

 

 

 

Number sense

Problem

Answer

1

8 oz, $1.45 or the larger one

2

342

3

3 prime factors

(3 pts for 2, 3, and 5)

4

78

5

950

 

Probability and statistics

Problem

Answer

1

1

2

29

3

11/4165 (3 pts for 17,160/6,497,400)

4

108

5

216

 


March 21, 1998

SECOND YEAR MATH OLYMPIAD

 

 

Algebraic sense

Problem

Answer

1

63

2

4

3

110

4

1 and 1/3 or 1.3 days

5

4 (M-1) or 4M - 4 or

M2 - (M - 2)2

 

 

Geometric sense

Problem

Answer

1

9 yd2 or 9 sq. yd.

2

36 m

3

50 ft

4

72 p in3 cu in or any number between 226.08 in3 and 226.1952 in3 inclusive

5

6.93 m2 (sq m)

or 4 3 m2 (sq m)